EP3832853A4 - Liquid cooling structure of rotating electric machine - Google Patents

Liquid cooling structure of rotating electric machine Download PDF

Info

Publication number
EP3832853A4
EP3832853A4 EP19858218.1A EP19858218A EP3832853A4 EP 3832853 A4 EP3832853 A4 EP 3832853A4 EP 19858218 A EP19858218 A EP 19858218A EP 3832853 A4 EP3832853 A4 EP 3832853A4
Authority
EP
European Patent Office
Prior art keywords
electric machine
rotating electric
liquid cooling
cooling structure
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19858218.1A
Other languages
German (de)
French (fr)
Other versions
EP3832853A1 (en
EP3832853B1 (en
Inventor
Tamotsu Sakai
Yuya Fujiwara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Publication of EP3832853A1 publication Critical patent/EP3832853A1/en
Publication of EP3832853A4 publication Critical patent/EP3832853A4/en
Application granted granted Critical
Publication of EP3832853B1 publication Critical patent/EP3832853B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148—Sectional cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/12—Machines characterised by the bobbins for supporting the windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Windings For Motors And Generators (AREA)
EP19858218.1A 2018-09-05 2019-06-20 Liquid cooling structure of rotating electric machine Active EP3832853B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018166071A JP6587022B1 (en) 2018-09-05 2018-09-05 Liquid cooling structure of rotating electric machine
PCT/JP2019/024420 WO2020049831A1 (en) 2018-09-05 2019-06-20 Liquid cooling structure of rotating electric machine

Publications (3)

Publication Number Publication Date
EP3832853A1 EP3832853A1 (en) 2021-06-09
EP3832853A4 true EP3832853A4 (en) 2021-09-08
EP3832853B1 EP3832853B1 (en) 2023-04-26

Family

ID=68159640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19858218.1A Active EP3832853B1 (en) 2018-09-05 2019-06-20 Liquid cooling structure of rotating electric machine

Country Status (5)

Country Link
US (1) US11362568B2 (en)
EP (1) EP3832853B1 (en)
JP (1) JP6587022B1 (en)
CN (1) CN112655139B (en)
WO (1) WO2020049831A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111555503A (en) * 2020-06-09 2020-08-18 天津市松正电动汽车技术股份有限公司 Concentrated winding axial cooling motor stator and motor
JP7487644B2 (en) 2020-11-05 2024-05-21 トヨタ自動車株式会社 Cooling structure for rotating electrical machines

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1630930A2 (en) * 2004-08-27 2006-03-01 Caterpillar Inc. Liquid cooled switched reluctance electric machine
EP1959541A2 (en) * 2007-02-16 2008-08-20 Rolls-Royce plc A cooling arrangement for an electrical machine
EP2159906A2 (en) * 2008-08-28 2010-03-03 Aisin Seiki Kabushiki Kaisha Oil cooling system for motor
US20140091651A1 (en) * 2012-09-28 2014-04-03 Magna Powertrain Ag & Co Kg Electrical machine with cooling

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004040924A (en) * 2002-07-04 2004-02-05 Nissan Motor Co Ltd Cooling structure of rotary electric machine
JP4077687B2 (en) * 2002-08-28 2008-04-16 本田技研工業株式会社 Rotating electric machine
US8373316B2 (en) * 2011-01-12 2013-02-12 Kollmorgen Corporation Coolant flow enhancing device for stator coil end turns of fluid cooled electric motor
JP5904827B2 (en) * 2012-03-09 2016-04-20 日立オートモティブシステムズ株式会社 Rotating electric machine
JP5693793B2 (en) * 2012-06-21 2015-04-01 三菱電機株式会社 Rotating electric machine
US9379585B2 (en) * 2012-11-06 2016-06-28 Lcdrives Corp. Winding construction for high efficiency machine
TWI488409B (en) * 2012-11-21 2015-06-11 Ind Tech Res Inst Stator module and magnetic generator thereof
JP5893191B1 (en) * 2015-04-27 2016-03-23 三菱電機株式会社 Rotating electric machine for vehicles
DE102015226010A1 (en) * 2015-12-18 2017-06-22 Robert Bosch Gmbh Molding for a stator of an electric machine, stator with the molding and method for mounting the stator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1630930A2 (en) * 2004-08-27 2006-03-01 Caterpillar Inc. Liquid cooled switched reluctance electric machine
EP1959541A2 (en) * 2007-02-16 2008-08-20 Rolls-Royce plc A cooling arrangement for an electrical machine
EP2159906A2 (en) * 2008-08-28 2010-03-03 Aisin Seiki Kabushiki Kaisha Oil cooling system for motor
US20140091651A1 (en) * 2012-09-28 2014-04-03 Magna Powertrain Ag & Co Kg Electrical machine with cooling

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020049831A1 *

Also Published As

Publication number Publication date
EP3832853A1 (en) 2021-06-09
EP3832853B1 (en) 2023-04-26
US20210249932A1 (en) 2021-08-12
CN112655139A (en) 2021-04-13
WO2020049831A1 (en) 2020-03-12
US11362568B2 (en) 2022-06-14
JP2020039232A (en) 2020-03-12
JP6587022B1 (en) 2019-10-09
CN112655139B (en) 2021-08-20

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